Belize
deforestation; water pollution from sewage, industrial
effluents, agricultural runoff; solid and sewage waste disposal
Benin
inadequate supplies of potable water; poaching threatens
wildlife populations; deforestation; desertification
Bermuda
asbestos disposal; water pollution; preservation of open
space; sustainable development
Bhutan
soil erosion; limited access to potable water
Bolivia
the clearing of land for agricultural purposes and the
international demand for tropical timber are contributing to
deforestation; soil erosion from overgrazing and poor cultivation
methods (including slash-and-burn agriculture); desertification;
loss of biodiversity; industrial pollution of water supplies used
for drinking and irrigation
Bosnia and Herzegovina
air pollution from metallurgical plants;
sites for disposing of urban waste are limited; water shortages and
destruction of infrastructure because of the 1992-95 civil strife
Botswana
overgrazing; desertification; limited fresh water resources
Bouvet Island
NA
Brazil
deforestation in Amazon Basin destroys the habitat and
endangers a multitude of plant and animal species indigenous to the
area; there is a lucrative illegal wildlife trade; air and water
pollution in Rio de Janeiro, Sao Paulo, and several other large
cities; land degradation and water pollution caused by improper
mining activities; wetland degradation; severe oil spills
British Indian Ocean Territory
NA